import { type DestinationKind, type DestinationPolicyRecordV1, type DestinationPolicyState, type DestinationSource, type DestinationSubjectKind, type DestinationTargetKind } from "../../registry/destination-policy.js";
import { type Hlc } from "../../util/hlc.js";
import { type AppendLedgerRecordResult } from "../../yon/ledger-write.js";
import { type DestinationPolicyLockOptions } from "./destination-policy-lock.js";
export declare class ForeignDestinationPolicyError extends Error {
    readonly errorCode = "foreign-destination-policy";
}
export declare class DestinationPolicyChainError extends Error {
    readonly errorCode = "invalid-destination-policy-chain";
}
export declare class DestinationPolicyLossError extends Error {
    readonly errorCode = "destination-policy-loss-detected";
}
export interface DestinationPolicyObservationEntry {
    key: string;
    policyEpoch: number;
    hlc: string;
    writerId: string;
    seq: number;
    digest: string;
}
export interface DestinationPolicyObservation {
    schemaMajor: 1 | 2;
    podRid: string;
    winners: readonly DestinationPolicyObservationEntry[];
}
export interface AppendDestinationPolicyArgs {
    podRid: string;
    subjectKind: DestinationSubjectKind;
    subjectRid: string;
    destinationKind: DestinationKind;
    targetOwner: string | null;
    targetKind: DestinationTargetKind | null;
    repositoryName?: string | null;
    source: DestinationSource;
    state?: DestinationPolicyState;
    policyEpoch?: number;
    writerVersion: string;
    recordedAt?: string;
    podRoot?: string;
    writerId?: string;
    hlc?: Hlc;
    seq?: number;
    hlcPath?: string;
    observationPath?: string;
    priorObservation?: DestinationPolicyObservation;
    lockOptions?: DestinationPolicyLockOptions;
}
export declare function getDestinationPolicyLedgerDir(podRoot?: string): string;
export declare function getDestinationPolicyLockPath(podRoot?: string): string;
export declare function getDestinationPolicyAttemptLockPath(subjectKind: DestinationSubjectKind, subjectRid: string, podRoot?: string): string;
export declare function getPublicationAttemptLockPath(subjectIdentity: string, podRoot?: string): string;
export declare function getDestinationPolicyObservationPath(podRid: string): string;
export declare function readAllDestinationPolicyRecords(expectedPodRid: string, podRoot?: string): DestinationPolicyRecordV1[];
export declare function foldDestinationPolicyWinners(records: readonly DestinationPolicyRecordV1[]): Map<string, DestinationPolicyRecordV1>;
export declare function observeDestinationPolicyLedger(expectedPodRid: string, podRoot?: string, observationPath?: string): DestinationPolicyObservation;
export declare function readVerifiedDestinationPolicyWinners(expectedPodRid: string, podRoot?: string, observationPath?: string): Map<string, DestinationPolicyRecordV1>;
export declare function readObservedDestinationPolicyWinnersReadOnly(expectedPodRid: string, podRoot?: string, observationPath?: string): Map<string, DestinationPolicyRecordV1>;
export declare function readVerifiedDestinationPolicyWinnersUnderLock(expectedPodRid: string, podRoot?: string, observationPath?: string): Map<string, DestinationPolicyRecordV1>;
export declare function appendDestinationPolicyRecord(args: AppendDestinationPolicyArgs): AppendLedgerRecordResult;
export declare function appendDestinationPolicyRecordUnderLock(args: AppendDestinationPolicyArgs): AppendLedgerRecordResult;
export declare function assertNoObservedPolicyLoss(prior: DestinationPolicyObservation, expectedPodRid: string, current: ReadonlyMap<string, DestinationPolicyRecordV1>): void;
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